Who was the most vocal opponent of the tariff of 1828 and advocated "state's rights" and "nullification" in the growing sectional conflicts between north and south?

Which document does garrison quote from to convince the public that slavery should be abolished?

What was the ultimate result of the final solution?

The rise of advertising in the 1920s. i am good with seeing how advertisements shape the roaring twenties and how it developed a new way of life through modern days. but i am not sure what the details of advertising in the 1920s were. if possible can you send me links (preferrably credential links) to sources that maybe show like the first company to start advertising through the radio, how advertising benefits (statistics graphs), etc.